How severe is CVE-2018-12418?

CVE-2018-12418 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-12418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12418?

CVE-2018-12418 affects Junrar Project Junrar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12418?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-12418 published?

CVE-2018-12418 was published on 2018-06-14 and last updated on 2026-06-17.

CVE-2018-12418

CVE-2018-12418 is a medium-severity vulnerability in Junrar Project Junrar with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Junrar Project Junrar
Published: 2018-06-14
Last modified: 2026-06-17

Description

Archive.java in Junrar before 1.0.1, as used in Apache Tika and other products, is affected by a denial of service vulnerability due to an infinite loop when handling corrupt RAR files.

Frequently asked questions

What is CVE-2018-12418?: Archive.java in Junrar before 1.0.1, as used in Apache Tika and other products, is affected by a denial of service vulnerability due to an infinite loop when handling corrupt RAR files.
How severe is CVE-2018-12418?: CVE-2018-12418 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-12418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12418?: CVE-2018-12418 affects Junrar Project Junrar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12418?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12418 published?: CVE-2018-12418 was published on 2018-06-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:junrar_project:junrar:*:*:*:*:*:*:*:*

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